Home / 21,735,969.81-30,021,945.62-15,846,276.75

Finding the Fourth Proportional to 21,735,969.81, 30,021,945.62 and 15,846,276.75

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Solution

The fourth proportional to 21,735,969.81, 30,021,945.62 and 15,846,276.75 is: 21,887,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,969.81 : 30,021,945.62 = 15,846,276.75 : x
  2. Step 2: Convert to fraction form
    21,735,969.81/30,021,945.62 = 15,846,276.75/x
  3. Step 3: Cross multiply
    21,735,969.81x = 30,021,945.62 × 15,846,276.75
  4. Step 4: Simplify right side
    21,735,969.81x = 475,736,058,788,738.94
  5. Step 5: Solve for x
    x = 475,736,058,788,738.94/21,735,969.81
  6. Step 6: Final answer
    x = 21,887,040.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.